<div class="input-group">
    <div class="input-group-prepend">
        <span class="input-group-text" id="${1:my-addon}">${5:Text}</span>
    </div>
    <input class="form-control" type="${2|text,number,email,password|}" name="$3" placeholder="${4:Recipient's $2}" aria-label="$4" aria-describedby="$1">
</div>